How many CVEs does AdGuard have?

AdGuard has 11 published CVE records since 2021, including 5 in the last two years.

How many AdGuard CVEs are in CISA KEV?

None of AdGuard's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.

Which AdGuard products have the most CVEs?

The AdGuard products with the most published CVEs are adguardhome, adguard_home, trusttunnel, adguard, adguard dns.

What are the most common weakness types in AdGuard CVEs?

AdGuard's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-269 (Improper Privilege Management), CWE-284 (Improper Access Control).

Are there public exploits for AdGuard vulnerabilities?

Yes — 5 of AdGuard's CVEs have a known public exploit.

How many critical AdGuard vulnerabilities are there?

AdGuard has 1 critical and 6 high-severity CVEs.

What is the average severity of AdGuard CVEs?

The average CVSS base score across AdGuard's scored CVEs is 7.1.

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11 CVEs

AdGuard Vulnerabilities

Name: AdGuard vulnerability dataset (CVEs)
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

CVE security advisories and vulnerability history for AdGuard.

11

Total CVEs

Published

0

In CISA KEV

Exploited in the wild

5

Public exploits

PoC or exploit code

7.1

Avg CVSS

2021–2026

Overview

AdGuard has 11 published CVE records since 2021, of which 0 are in CISA's Known Exploited Vulnerabilities catalog and 5 have a known public exploit. The average CVSS base score across scored CVEs is 7.1.

This page aggregates every publicly disclosed vulnerability (CVE) affecting AdGuard products, with severity breakdowns, the most-affected products, the most common weakness types, and the latest disclosures.

Security scorecard

A quick read on AdGuard's vulnerability posture, as a share of its 11 published CVEs.

Average CVSS: 7.1
Critical / high: 64%
Actively exploited (KEV): 0%
Public exploit available: 45%
Patch available: 100%

Severity and exploitation

How the CVSS severity of AdGuard's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.

Critical1

High6

Medium4

Low0

In CISA’s Known Exploited Vulnerabilities catalog

0

None of AdGuard's CVEs are currently listed in CISA's KEV catalog.

Public exploits

5

5 of AdGuard's CVEs have a known public exploit available.

Most affected products

The AdGuard products with the most published CVEs. Follow any product to browse its versions and vulnerabilities.

Common weakness types

The CWE weakness categories most often found in AdGuard CVEs. Follow any weakness for its full explanation.

CNAs that assign these CVEs

The CVE Numbering Authorities that publish AdGuard CVE records.

Disclosure activity by year

How many AdGuard CVEs were published each year.

2021

1

2022

1

2023

2

2024

2

2025

1

2026

4

Latest AdGuard CVEs

The most recently disclosed vulnerabilities affecting AdGuard.

AdGuard Home: DoQ-to-UDP State Reduction and Source-Port Oracle
CWE-330
Medium · CVSS 6.9
EPSS 0.1%2026-07-15
AdGuard Home: HTTP/2 Cleartext (h2c) Upgrade Authentication Bypass
CWE-287
Critical · CVSS 9.8
EPSS 0.7%2026-03-11
TrustTunnel has SSRF and private network restriction bypass via numeric address destinations
CWE-918
High · CVSS 7.1
EPSS 0.2%2026-01-29
TrustTunnel has `client_random_prefix` rule bypass via fragmented or partial TLS ClientHello
CWE-284
Medium · CVSS 5.3
EPSS 0.3%2026-01-29
Medium vulnerability · 2025-07-17
CWE-532
Medium · CVSS 5.5
EPSS 0.1%2025-07-17
High vulnerability · 2024-10-08
CWE-22
High · CVSS 7.1
EPSS 0.8%2024-10-08
High vulnerability · 2024-06-13
CWE-269
High · CVSS 8.4
EPSS 0.2%2024-06-13
High vulnerability · 2023-08-25
CWE-400
High · CVSS 7.5
EPSS 0.6%2023-08-25
High vulnerability · 2023-01-26
CWE-20
High · CVSS 7.8
EPSS 0.6%2023-01-26
Medium vulnerability · 2022-10-11
CWE-352
Medium · CVSS 5.4
EPSS 0.3%2022-10-11
High vulnerability · 2021-03-03
High · CVSS 7.5
EPSS 5.0%2021-03-03

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Frequently asked questions

Common questions about AdGuard vulnerabilities.

How many CVEs does AdGuard have?: AdGuard has 11 published CVE records since 2021, including 5 in the last two years.
How many AdGuard CVEs are in CISA KEV?: None of AdGuard's CVEs are currently listed in CISA's Known Exploited Vulnerabilities catalog.
Which AdGuard products have the most CVEs?: The AdGuard products with the most published CVEs are adguardhome, adguard_home, trusttunnel, adguard, adguard dns.
What are the most common weakness types in AdGuard CVEs?: AdGuard's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-22 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')), CWE-269 (Improper Privilege Management), CWE-284 (Improper Access Control).
Are there public exploits for AdGuard vulnerabilities?: Yes — 5 of AdGuard's CVEs have a known public exploit.
How many critical AdGuard vulnerabilities are there?: AdGuard has 1 critical and 6 high-severity CVEs.
What is the average severity of AdGuard CVEs?: The average CVSS base score across AdGuard's scored CVEs is 7.1.

References

Vulnerability data is sourced from the CVE Program; severity, KEV, and exploit signals are aggregated by RadicalNotion.AI.

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